The two-time IndyCar champion from Hendersonville, Tennessee, led all but 42 of 250 laps en route to his fourth IndyCar victory of 2022 in the first of a Iowa Speedway doubleheader feature.
The 29-year-old native from Hamilton, New Zealand, led a race-high 45 of 80 laps en route to his second IndyCar career victory in his second full-time season in the series.
The 30-year-old Rossi from Nevada City, California, is set to join Arrow McLaren SP on a multiyear basis following seven full-time season at Andretti Autosport.
The 23-year-old Kirkwood from Jupiter, Florida, is set to replace Alexander Rossi as the driver of the No. 27 Andretti Autosport Dallara-Honda for the 2023 NTT IndyCar Series season.
The 31-year-old Ericsson from Kumla, Sweden, led three times for 13 of 200 laps before fending off Pato O'Ward in a two-lap shootout to claim his first Indy 500 title.
The third-generation Andretti driver from Nazareth, Pennsylvania, is primed to reach a milestone start in his 17th consecutive appearance in the Indianapolis 500.